#!/usr/bin/python
# -*- coding: UTF-8 -*-
# visit.py
import commons

def run():
    inp = input("请输入您想访问页面的url：  ").strip()
    if hasattr(commons,inp):
        func = getattr(commons,inp)
        func()
    else:
        print("404")

if __name__ == '__main__':
    run()